9 Troubleshooting
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Display
Probable Cause
Treatment
CHG Large Leak WORK side
CHG Large Leak MASTER side
There is a large leak on the
WORK/MASTER side system.
Check the seals, part and fittings for possible
leaks.
DL2 Large Leak WORK side
DL2 Large Leak MASTER side
There is a large leak on the
WORK/MASTER side system.
Check the seals, part and fittings for possible
leaks.
Pressurization and stabilization
time is insufficient.
Extend Precharge (PCHG), Pressurization
(CHG) or Equalization (BAL1) timer.
Go to:
Settings > Advanced Settings
> CHG Options > Precharge Timer(PCHG)
Settings > Advanced Settings
> Timer > Pressurization (CHG)
Settings > Advanced Settings
> Timer > Equalization (BAL1)
BAL2 Large Leak WORK side
BAL2 Large Leak MASTER side
There is a large leak on the
WORK/MASTER side system.
Check the seals, part and fittings for possible
leaks.
Pressurization and stabilization
time is insufficient.
Extend Pressurization (CHG) or Equalization
(BAL1) timer.
Go to:
Settings > Advanced Settings > Timer
> Pressurization (CHG)
Settings> Advanced Settings > Timer
> Equalization (BAL1)
DET Large Leak WORK side
DET Large Leak MASTER side
There is a large leak on the
WORK/MASTER side system.
Check the seals, part and fittings for possible
leaks.
Pressurization and stabilization
time is insufficient.
Extend Pressurization (CHG) or Stabilization
(BAL2) timer.
Go to:
Settings > Advanced Settings > Timer
> Pressurization (CHG)
Settings> Advanced Settings > Timer
> Stabilization (BAL2)
If the problem persists without identifiable causes, please conduct the No Leak Check.
1)
Close both the WORK and MASTER stop valves on the rear panel of the tester.
2)
Go to:
>Main Menu > Maint. > Inspection > Leak Check > No-Leak Check
Contact Cosmo for repair, if internal leak is found.
